* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: "Microsoft Yahei";
}

.clearfix:before,
.clearfix:after {
  content: " ";
  display: table;
}

.clearfix:after {
  clear: both;
}

header,
main,
nav,
footer,
aside {
  display: block;
}

a {
  text-decoration: none;
}

input {
  outline: none;
}

ol,
ul {
  list-style: none;
}

*::-webkit-scrollbar {
  width: 8px !important;
}

*::-webkit-scrollbar-thumb {
  border-radius: 8px;
  background-color: #333;
}

* {
  scrollbar-width: thin;
}

* {
  scrollbar-color: #333 transparent;
}
